Galactic 123 The Mission

Galactic 123: The Mission. The militaristic Terran Union controls a considerable region of space. However, a league of planets has rebelled. In order to stop the rebellion, a special team is sent. Things go wrong soon enough. The player gets to control several weapons and upgrades, to fight many enemies while visiting different places.
How to play:
Move with arrow keys / WASD keys.
Aim and fire with mouse.
More instructions given in the game.